from collections import namedtuple


OgInfo = namedtuple(
    'OgInfo', ['market_type', 'exchange', 'owner', 'machine', 'trading_date'])

StratInfo = namedtuple('StratInfo', ['strategy_name', 'machine', 'trading_date'])

SubscriptionInfo = namedtuple(
    'SubscriptionInfo',
    ['market_type', 'exchange', 'api_version', 'machine', 'trading_date'])
